Questions tagged [heartbeat]

heartbeat was initially developed by Alan Robertson. Later SuSE got into as well (Lars Morowski). It started as a simple two-node-cluster with ASCII-configuration files (v1-syntax) and developed into a complex cluster with xml-configuration (v2).

What I understood is that with resource agents (which are exactly same on all nodes), pacemaker can start/stop resource on any node. But can we also use it to sync a configuraton file in all nodes in ...

I want to make a DRBD cluster of 2 servers. Both have 2 interfaces bonded together. I want to be able to determine the master role based on connection metric. i.e how many of the network interfaces ...

We have a heartbeat handover that goes on between 2 firewalls out of one of our networks, the interface that the handover happens on has no IP set by default and only gets this IP when the handover ...

I have a setup with 2 machines with Pacemaker and Corosync installed.
There I have a PostgreSQL Master/Slave Set running. The Master has a resource Group with a Virtual IP and two additional services ...

I have successfully PoC'd the use of two HAProxy servers w/ heartbeat to load balance traffic between two squid servers with pass through Kerberos authentication in our shared services office. I've ...

I have a pair of CentOS Linux servers in each datacenter. They have failover within each datacenter, managed by heartbeat and DRBD (I know these are outdated tools, but they are stable, so there's no ...

I am trying to understand the Heartbeat setup in a new environment. It is a 2-node cluster that is still using Version 1 of Heartbeat (the one that does not use Pacemaker CRM) and I have a fundamental ...

I have a Virtual private cloud running on 10.0.0.x. In this network two machines share a virtual ip to provide HA and connection to the internet via aaa.bbb.ccc.164. There configs are:
Proxy1:
eth0:...

I need to setup a heartbeat with pacemaker based on debian OS where the active server virtual IP is 192.168.1.10 and the passive server virtual IP is 192.168.1.11. Both of the server is connected to a ...

I'm using a simple setup with heartbeat handling a shared filesystem implemented with drbd and served via apache.
I'm using /etc/ha.d/haresources to define the ha resource, this way:
server1 drbddisk:...

I'd like the heartbeat service to turn off before haproxy is stopped and to turn on before it starts on a Ubuntu 14.04 Server. What is the best way to accomplish this? I'm sure one of these days I'm ...

i want to start zimbra service with heartbeat on haresource file. but it cant start zimbra service after boot. im using centOs, this is my haresource file:
node1.lol.net IPaddr::192.168.1.99/24/eth0:...

I have 2 servers running HAProxy to load balance some web servers and database servers with Heartbeat to cluster them in active/passive mode.
At the moment, if the active server dies then the passive ...

I'm learning about clustering and high availability techniques, and stumbled upon an article about configuring a network with a pair of servers, using DRBD for replication and heartbeat for monitoring ...

I'm having a few issues trying to understand ha.cf and how the cluster picks up on updates.
For example, when creating a new cluster, I usually:
Set some default options in ha.cf on node 1 - node x
...

working on developing script which runs via schedule task ; whole purpose of it is to target few domain controllers and continuously(for every 2 sec) do a ldap query targeting that particular DC and ...

I am using HAproxy on two servers and for high availability using heartbeat and everything is okay, but I want to monitoring heartbeat I have a long search and get clustat command but can't find it on ...

After the heartbleed bug i have updated my openssl to 1.0.1g. But to my shock when today i see my server-status it shows me openssl version 1.0.1e that was vulnerable to Heartbleed.
I have upgraded my ...

I'm wondering about the purpose of the multicast address in the corosync messaging software :
Since we have to bind each net interface with an IP address and a specific port,
and each ring communicate ...

My boss recently asserted, in conversation, that Redis supports some configuration options for controlling maximum key or key/value sizes ... so we could set some option to prevent our applications ...

I have a two node cluster with heartbeat and DRBD managing a mysql resource. The failover works great if I halt the primary, reboot it, or disconnect the network connection.
However, if the primary ...

I'm moving a Heartbeat + Pacemaker setup to openSUSE 12.1. It turns out that Heartbeat isn't supported on this platform anymore, and therefore it is not available from the official repos.
Switching ...

I am using heartbeat with MySQL master-master configuration, and using mon to check up on MySQL health. All works well for detecting downed host or broken MySQL. But the problems start after takeover, ...

I have two servers, let's call them Milo and Otis. Now Milo and Otis are setup to be an active-passive pair of highly available servers where Milo is usually the master and Otis stands-by waiting for ...

I have done such setup before, was no any issues. Now i can't do "crm configure" becuase no crm command availible in current package.
Am I missing something?
Maybe it replaced by other way/command?
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